Highway tractor and sleeper



FIG. 1 is a right front perspective view of a highway tractor and sleeper showing my new design;

FIG. 2 is a left front perspective view thereof;

FIG. 3 is a left side view thereof, the right side being substantially a mirror image of that shown;

FIG. 4 is a front view thereof; and,

FIG. 5 is a top view thereof. 

The ornamental design for a highway tractor and sleeper, as shown and described. 